[INFO] cloning repository https://github.com/rokob/kenken
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rokob/kenken" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frokob%2Fkenken", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frokob%2Fkenken'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8aae3d2773cb14584fb869667b7d4a4ee93aec9
[INFO] testing rokob/kenken against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frokob%2Fkenken" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rokob/kenken on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rokob/kenken
[INFO] finished tweaking git repo https://github.com/rokob/kenken
[INFO] tweaked toml for git repo https://github.com/rokob/kenken written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rokob/kenken already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5d0bd987b369dbeb2b125dc5da962b071bd6bb148e2612c6cfd6120669c9686
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e5d0bd987b369dbeb2b125dc5da962b071bd6bb148e2612c6cfd6120669c9686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5d0bd987b369dbeb2b125dc5da962b071bd6bb148e2612c6cfd6120669c9686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d0bd987b369dbeb2b125dc5da962b071bd6bb148e2612c6cfd6120669c9686", kill_on_drop: false }`
[INFO] [stdout] e5d0bd987b369dbeb2b125dc5da962b071bd6bb148e2612c6cfd6120669c9686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64e625344d01417f2569d9bae3eb65a24b8feb1c12a873ea82c3a704bec34c0c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "64e625344d01417f2569d9bae3eb65a24b8feb1c12a873ea82c3a704bec34c0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling kenken v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.20s
[INFO] running `Command { std: "docker" "inspect" "64e625344d01417f2569d9bae3eb65a24b8feb1c12a873ea82c3a704bec34c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64e625344d01417f2569d9bae3eb65a24b8feb1c12a873ea82c3a704bec34c0c", kill_on_drop: false }`
[INFO] [stdout] 64e625344d01417f2569d9bae3eb65a24b8feb1c12a873ea82c3a704bec34c0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89e0c7abb08fdfe945b4246cf270c1c1c91106a1f28af1b044fbf79cc65d0b12
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "89e0c7abb08fdfe945b4246cf270c1c1c91106a1f28af1b044fbf79cc65d0b12", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling itertools-num v0.1.3
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling criterion-plot v0.2.5
[INFO] [stderr]    Compiling csv v1.0.2
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling criterion-stats v0.2.5
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling handlebars v0.32.4
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling criterion v0.2.5
[INFO] [stderr]    Compiling kenken v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 56.57s
[INFO] running `Command { std: "docker" "inspect" "89e0c7abb08fdfe945b4246cf270c1c1c91106a1f28af1b044fbf79cc65d0b12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e0c7abb08fdfe945b4246cf270c1c1c91106a1f28af1b044fbf79cc65d0b12", kill_on_drop: false }`
[INFO] [stdout] 89e0c7abb08fdfe945b4246cf270c1c1c91106a1f28af1b044fbf79cc65d0b12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9892ef9d1d25206ee3cf0ab29b2b29ac6d6b843f5ee189ac1c2ac2580ccbcdad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9892ef9d1d25206ee3cf0ab29b2b29ac6d6b843f5ee189ac1c2ac2580ccbcdad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kenken-47df9cfc50d4d6d2
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kenken-ea0960eca93f2283
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kenken
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9892ef9d1d25206ee3cf0ab29b2b29ac6d6b843f5ee189ac1c2ac2580ccbcdad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9892ef9d1d25206ee3cf0ab29b2b29ac6d6b843f5ee189ac1c2ac2580ccbcdad", kill_on_drop: false }`
[INFO] [stdout] 9892ef9d1d25206ee3cf0ab29b2b29ac6d6b843f5ee189ac1c2ac2580ccbcdad